61343326533 has 4 divisors (see below), whose sum is σ = 81791102048. Its totient is φ = 40895551020.

The previous prime is 61343326523. The next prime is 61343326543. The reversal of 61343326533 is 33562334316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (61343326523) and next prime (61343326543).

It is not a de Polignac number, because 61343326533 - 2⁵ = 61343326501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61343326491 and 61343326500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61343326523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10223887753 + ... + 10223887758.

It is an arithmetic number, because the mean of its divisors is an integer number (20447775512).

Almost surely, 2^61343326533 is an apocalyptic number.

It is an amenable number.

61343326533 is a deficient number, since it is larger than the sum of its proper divisors (20447775515).

61343326533 is a wasteful number, since it uses less digits than its factorization.

61343326533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20447775514.

The product of its digits is 349920, while the sum is 39.

The spelling of 61343326533 in words is "sixty-one billion, three hundred forty-three million, three hundred twenty-six thousand, five hundred thirty-three".